1. H.P. Kuo, S. Lam, X. Sheng, H. Birecki, S. Naberhuis, J. Vac. Sci. Technol. B 24, 1030 (2006)
2. R. Zorba, I. Alexandrou, I. Zergioti, A. Manousaki, C. Dueati, A. Neumeister, C. Fotakis, G.A.J. Amartunga, Thin Solid Films 492, 453 (2004)
3. D.D. Smith, H.P. Demroff, T.S. Elliott, T.B. Kasprowicz, B. Lee, T.K. Mazumdar, P.M. McIntyre, Y. Pang, H.J. Trost, in Proceedings of the 1993 Particle Accelerator Conference, vol. 4 (IEEE Press, New York, 1993), p. 2708
4. Y.F. Tang, S.R.P. Silva, B.O. Boskovic, J.M. Shannon, M.J. Rose, Appl. Phys. Lett. 80, 4154 (2002)
5. S. Sinha, E. Ramadasan, V.P. Jathar, K. Dasgupta, K.C. Sahoo, L.M. Gantayet, Appl. Surf. Sci. 253, 4404 (2007)